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The VO4256H-X007T is a single-channel optoisolator manufactured by Vishay Semiconductor Opto Division, featuring a photoTriac output. It provides an isolation voltage of 5300Vrms and operates within a temperature range of -55°C to +100°C. The device supports a maximum forward current of 60mA with a typical forward voltage of 1.2V. It is designed for non-zero-crossing applications, offering a peak repetitive off-state voltage of 600V and a maximum continuous output current of 300mA. The component is housed in a 6-SMD gull-wing package.
Verify the specific suffix X007T corresponds to the required tape-and-reel or cut-tape packaging configuration. Confirm RoHS compliance status and check for any recent Product Change Notifications (PCN) regarding manufacturing site transfers or material updates before finalizing procurement specifications.
Select this component when non-zero-crossing triac triggering is required to avoid phase-angle distortion in AC loads. Ensure the load current does not exceed the 300mA continuous rating. Verify that the 600V blocking voltage meets the circuit requirements. Consider thermal dissipation limits if operating near the upper temperature boundary.
This part belongs to the VO425x series of Vishay's Triac & SCR Output Optocouplers. It is distinct from zero-crossing variants like the VO4156D, which are optimized for low electromagnetic interference (EMI) rather than precise phase control. The series is commonly used in industrial automation and consumer electronics for safe AC load switching.
Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other Vishay non-zero-crossing triac optocouplers such as the VO4256 series equivalents, ensuring pinout and electrical ratings match.